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🌊 Marine Least Concern 🌡️ Tropical

Dalophis Boulengeri

Dalophis boulengeri Blache, Cadenat & Stauch, 1970
Max Length
57.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
47.5 cm
Depth Zone
demersal

📖 Overview

Dalophis Boulengeri (Dalophis boulengeri) is a ray-finned fish of the family Ophichthidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 57.4 cm. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Dalophis boulengeri
Authority
Blache, Cadenat & Stauch, 1970
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
57.4 cm
Latitude
18°S – 21°N
Trophic Level
3.8
Resilience
Medium
Vulnerability
33.00/100
Water Temp
23–28 °C
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Caudal ends in a hardened point. Ogivale head, small eyes near buccal joint at end of snout. Buccal slit short, snout prominent covered with villi. Gill slits lateroventral, crescentiform. Thin dorsal and anal fins, in groove; dorsal origin behind gill slits (predorsal length 11.5-16.9% TL); anal origin immediately behind anus. Pores of lateral system and cephalic slightly rimmed. One median pore on the supraorbital joint; 57-64 pores on lateral line before the anus. Vertebrae: 149-162. Dark brown back and dorsal base, whitish belly.: eel-like; Cross section: circular.

🌀 Behaviour

Behavioural data for Dalophis Boulengeri is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; brackish; demersal; pH range: 7.5 - 8.2. Tropical; 23°C - 28°C ; 21°N - 18°S, 18°W - 14°E

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.8±0.6
🌙 Nocturnal

📐 Morphometrics

Length–Weight Relationship: W = 0.00093 × L2.99 (TL)
Max TL
57.4cm
Vertebrae
156

🌡️ Water Parameters & Tolerance

Temperature Range
23–28°C
pH Range
7.5–8.2
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
3.8
Predator
Climate Zone
Tropical
Latitude Range
21°N – 18°S
Described By
Blache, Cadenat & Stauch, 1970

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Caecula boulengeri Blache, Cadenat & Stauch 1970 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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